Myles Grimmett had a bone transplanted from his leg into his arm when he was 5 years old in a groundbreaking surgery that saved him from amputation Cara Lynn Shultz is a writer-reporter at PEOPLE. Her ...
The temporal muscle -- The neck -- Mechanism of the neck -- Construction of the hand -- Forearm, front view -- Forearm, back view -- Pronator and supinator -- Forearm -- The arm, front view -- The arm ...